The number of BTO and Selective En bloc Redevelopment Scheme (SERS) dwelling units completed stood at 25,447 in FY 2014 – an increase of 54.6% from the 16,461 units in the previous FY. HDB also constructed 1,276 rental flats in FY 2014 and is on track to increase the total rental housing stock from 50,000 to about 60,000 units by 2017.